class Solution {
public:
    vector<vector<int>> findContinuousSequence(int target) {
        vector<vector<int>> ans;
        int left = 1;
        int right = 1;
        int sum = 0;
        while(left <= target/2)
        {
            if(sum < target)
            {
                sum += right;
                right++;
            }
            else if(sum > target)
            {
                sum -= left;
                left++;
            }
            else
            {
                vector<int> tmp;
                for(int i=left;i<right;i++)
                    tmp.push_back(i);
                
                ans.push_back(tmp);
                sum -= left;
                left++;
            }
        }

        return ans;
    }
};